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// index skipping and previous index range negation
t = db.jstests_or9;
t.drop();
t.ensureIndex( {a:1,b:1} );
t.save( {a:2,b:2} );
function check( a, b, q ) {
count = a;
clauses = b;
query = q;
assert.eq.automsg( "count", "t.count( query )" );
if ( clauses == 1 ) {
assert.eq.automsg( "undefined", "t.find( query ).explain().clauses" );
} else {
assert.eq.automsg( "clauses", "t.find( query ).hint({a:1, b:1}).explain().clauses.length" );
}
}
// SERVER-12594: there are two clauses in this case, because we do
// not yet collapse OR of ANDs to a single ixscan.
check( 1, 2, { $or: [ { a: { $gte:1,$lte:3 } }, { a: 2 } ] } );
check( 1, 2, { $or: [ { a: { $gt:2,$lte:3 } }, { a: 2 } ] } );
check( 1, 1, { $or: [ { b: { $gte:1,$lte:3 } }, { b: 2 } ] } );
check( 1, 1, { $or: [ { b: { $gte:2,$lte:3 } }, { b: 2 } ] } );
check( 1, 1, { $or: [ { b: { $gt:2,$lte:3 } }, { b: 2 } ] } );
// SERVER-12594: there are two clauses in this case, because we do
// not yet collapse OR of ANDs to a single ixscan.
check( 1, 2, { $or: [ { a: { $gte:1,$lte:3 } }, { a: 2, b: 2 } ] } );
check( 1, 2, { $or: [ { a: { $gte:1,$lte:3 }, b:3 }, { a: 2 } ] } );
check( 1, 1, { $or: [ { b: { $gte:1,$lte:3 } }, { b: 2, a: 2 } ] } );
check( 1, 1, { $or: [ { b: { $gte:1,$lte:3 }, a:3 }, { b: 2 } ] } );
check( 1, 2, { $or: [ { a: { $gte:1,$lte:3 }, b: 3 }, { a: 2, b: 2 } ] } );
check( 1, 2, { $or: [ { a: { $gte:2,$lte:3 }, b: 3 }, { a: 2, b: 2 } ] } );
// SERVER-12594: there are two clauses in this case, because we do
// not yet collapse OR of ANDs to a single ixscan.
check( 1, 2, { $or: [ { a: { $gte:1,$lte:3 }, b: 2 }, { a: 2, b: 2 } ] } );
check( 1, 2, { $or: [ { b: { $gte:1,$lte:3 }, a: 3 }, { a: 2, b: 2 } ] } );
check( 1, 2, { $or: [ { b: { $gte:2,$lte:3 }, a: 3 }, { a: 2, b: 2 } ] } );
// SERVER-12594: there are two clauses in this case, because we do
// not yet collapse OR of ANDs to a single ixscan.
check( 1, 2, { $or: [ { b: { $gte:1,$lte:3 }, a: 2 }, { a: 2, b: 2 } ] } );
t.remove({});
t.save( {a:1,b:5} );
t.save( {a:5,b:1} );
// SERVER-12594: there are two clauses in the case below, because we do
// not yet collapse OR of ANDs to a single ixscan.
check( 2, 2, { $or: [ { a: { $in:[1,5] }, b: { $in:[1,5] } }, { a: { $in:[1,5] }, b: { $in:[1,5] } } ] } );
check( 2, 2, { $or: [ { a: { $in:[1] }, b: { $in:[1,5] } }, { a: { $in:[1,5] }, b: { $in:[1,5] } } ] } );
check( 2, 2, { $or: [ { a: { $in:[1] }, b: { $in:[1] } }, { a: { $in:[1,5] }, b: { $in:[1,5] } } ] } );
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